.item{
    width: 100px;
    height: 30px;
    line-height: 30px;
    background-color: #ccc;
    position: relative;
    margin-left: 12px;
    cursor: pointer;
    span{
        position: absolute;
        text-align: center;
        right: 2px;
        top: 0;
        display: block;
        width: 16px;
        height: 16px;
        line-height: 12px;
        background-color: aqua;
    }
}
.plus{
    font-size: 24px;
    margin-left: 12px;
    cursor: pointer;
}